Home / 203,006.92-304,530.86-69,869.66

Finding the Fourth Proportional to 203,006.92, 304,530.86 and 69,869.66

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Solution

The fourth proportional to 203,006.92, 304,530.86 and 69,869.66 is: 104,811.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,006.92 : 304,530.86 = 69,869.66 : x
  2. Step 2: Convert to fraction form
    203,006.92/304,530.86 = 69,869.66/x
  3. Step 3: Cross multiply
    203,006.92x = 304,530.86 × 69,869.66
  4. Step 4: Simplify right side
    203,006.92x = 21,277,467,647.71
  5. Step 5: Solve for x
    x = 21,277,467,647.71/203,006.92
  6. Step 6: Final answer
    x = 104,811.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.